Drive rod for nozzle of cleaner
The utility model relates to a drive rod for a cleaner nozzle, which is characterized in that a check valve comprises an upper valve cap, the internal wall of the front end of the upper valve cap connects with the external wall of a piston by the slide way, the rear end of the upper valve cap connec...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model relates to a drive rod for a cleaner nozzle, which is characterized in that a check valve comprises an upper valve cap, the internal wall of the front end of the upper valve cap connects with the external wall of a piston by the slide way, the rear end of the upper valve cap connects with a water inlet pipe, the lower part of the upper valve cap center is arranged with a lower valve cap matching with the upper valve cap; the lower valve cap is arranged with a lower cavity which the upper part is arranged with a disk spring, two sides of the disk spring respectively connects with the lower valve cap at two sides of the lower cavity, the upper end of the disk spring connects via a gasket with the lower end of the valve body; the upper valve cap also is arranged with a cavity; the upper valve cap is arranged with a lug downward on the internal wall, the lug contacts with the upper end of the valve body and divides the cavity of the upper valve cap into a front cavity and a rear cavity; an arc-shaped heave is arranged at the front end of the conjunction between the valve body and the lug. The utility model has the advantages of that the diameter of the whole drive rod is small, the volume and the weight become light, and therefore is suitable for using on the vehicle body with limited space and can make each element performed excellently. |
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